208068853 has 2 divisors, whose sum is σ = 208068854. Its totient is φ = 208068852.

The previous prime is 208068811. The next prime is 208068893. The reversal of 208068853 is 358860802.

It is an a-pointer prime, because the next prime (208068893) can be obtained adding 208068853 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207417604 + 651249 = 14402^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 208068853 - 2¹⁷ = 207937781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208068893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104034426 + 104034427.

It is an arithmetic number, because the mean of its divisors is an integer number (104034427).

Almost surely, 2^208068853 is an apocalyptic number.

It is an amenable number.

208068853 is a deficient number, since it is larger than the sum of its proper divisors (1).

208068853 is an equidigital number, since it uses as much as digits as its factorization.

208068853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 208068853 is about 14424.5919526342. The cubic root of 208068853 is about 592.5645836298.

The spelling of 208068853 in words is "two hundred eight million, sixty-eight thousand, eight hundred fifty-three".